diff --git a/addons/crm/views/crm_lead_views.xml b/addons/crm/views/crm_lead_views.xml
index 68ca4e29275..485d644a049 100644
--- a/addons/crm/views/crm_lead_views.xml
+++ b/addons/crm/views/crm_lead_views.xml
@@ -44,7 +44,7 @@
             <form string="Leads Form">
                 <header>
                     <button name="%(crm.action_crm_lead2opportunity_partner)d" string="Convert to Opportunity" type="action"
-                            help="Convert to Opportunity" class="oe_highlight"/>
+                            help="Convert to Opportunity" class="oe_highlight" attrs="{'invisible': [('type', '=', 'opportunity')]}"/>
                 </header>
                 <sheet>
                     <div class="oe_button_box" name="button_box">